How Do You Make Laundry Soap Out Of Fels Naptha?
To make laundry soap out of Fels Naptha, grate one bar of Fels Naptha soap and combine it with one cup of washing soda and one cup of borax. Mix the ingredients thoroughly and store in an airtight container. Use one to two tablespoons of the mixture per load of laundry, depending on the size of the load and soil level.